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Market brief · Friday, 30 October 2026

Oil eases on Iran talks, US inflation rises to 3.6%

Hopes for US–Iran peace talks pulled oil slightly lower, but Brent still settled near $115 a barrel. US growth was strong and inflation rose to 3.6%, which kept a December Fed hike in play and pushed gold towards $4,000. The ECB held rates and Christine Lagarde said she will leave early. South Africa's economy was found to be about 5% bigger than thought, and Kenya's October inflation comes out today.

In this brief

  1. Oil slips on hopes of US–Iran talks, but stays near $115 (World · Energy)
  2. US economy grows fast, and inflation rises to 3.6% (World · Factories and jobs)
  3. ECB holds rates as Lagarde says she will leave early; Bank of Japan holds too (World · Central banks)
  4. South Africa's economy is about 5% bigger than thought; the rand dips (South Africa · Currencies)
  5. Kenya's October inflation is due today after 6.8% in September (Kenya · Central banks)
  6. The naira firms to about ₦1,349 per dollar (Nigeria · Currencies)

World · Energy

Oil slips on hopes of US–Iran talks, but stays near $115

What happened

On 29 October Brent crude, the main world oil price, settled 44 cents lower at $114.88 a barrel. WTI, the US oil price, fell 78 cents to $102.00. At one point both were down more than $2. The US sent a letter to Iran's Supreme National Security Council to revive peace talks, and Qatari mediators presented a new draft deal, which an Iranian official dismissed. Houthi attacks on Saudi facilities and reports of tankers hitting sea mines stopped prices from falling further. The Wall Street Journal reported that Washington told Gulf states to prepare for a possible new US campaign after the 3 November US midterm elections.

Why it matters

Oil now moves on headlines about talks. Signs of peace can pull the price down fast, because traders expect more oil to reach the market. New attacks or threats can push it back up just as fast. Kenya, South Africa and much of Africa import fuel, so the oil price feeds into pump prices, transport costs and inflation a few weeks later.

What it can move

Sources: Euronext / Reuters: oil settles lower as diplomacy hopes offset supply concerns (29 Oct 2026) · The National: oil prices decline after diplomatic push in Iran war (29 Oct 2026)

World · Factories and jobs

US economy grows fast, and inflation rises to 3.6%

What happened

The US economy grew at an annualised rate of 3.4% in July–September, up from 2.2% in the quarter before, the US Bureau of Economic Analysis said on 29 October. In September, the PCE price index, the Fed's favourite inflation measure, was 3.6% higher than a year earlier, up from 3.4% in August. Core PCE, which leaves out food and energy, rose to 3.1% from 3.0%. Consumer spending rose 0.5% in September, but after rising prices it was flat. Gold fell about 1% on the day and tested support just above $4,000 an ounce, according to Kitco.

Why it matters

The Fed wants inflation at 2%. Strong growth and rising inflation make it more likely the Fed raises interest rates in December. Two Fed members already voted for a rise this week. Higher US rates tend to make the dollar more attractive and pull money away from emerging markets such as South Africa, Kenya and Nigeria. They also raise the cost of holding gold, which pays no interest.

What it can move

Sources: The Lane Report: US GDP grows 3.4% in third quarter (29 Oct 2026) · StockTitan: September PCE inflation data (29 Oct 2026) · Kitco: gold off its lows as ECB leaves rates unchanged (29 Oct 2026)

World · Central banks

ECB holds rates as Lagarde says she will leave early; Bank of Japan holds too

What happened

The European Central Bank kept its deposit rate at 2.5% on 29 October, after two rate rises in the previous five months. Euro-area inflation is close to 4%, double the 2% target, and the ECB said energy prices 'have continued to rise'. President Christine Lagarde said she will step down in February 2027, about nine months before her term ends. No successor has been chosen, according to the Irish Times. On 30 October the Bank of Japan kept its rate at about 1.25% and said underlying inflation is 'generally consistent' with its 2% target.

Why it matters

The euro and the yen are the dollar's two biggest rivals, so their central banks move EUR/USD and USD/JPY, which then move the dollar against African currencies. A change at the top of the ECB adds uncertainty about future rate decisions, and uncertainty can make traders more careful. Markets see another ECB rate rise next month as possible because of energy prices.

What it can move

Sources: The Irish Times: ECB holds rates as Lagarde announces early exit (29 Oct 2026) · SBS News: Bank of Japan keeps rate at 1.25% (30 Oct 2026)

South Africa · Currencies

South Africa's economy is about 5% bigger than thought; the rand dips

What happened

Statistics South Africa updated how it measures the economy on 29 October, moving the base year from 2015 to 2022. Nominal GDP for 2025 is now about R8.04 trillion, up from R7.64 trillion. Reports put the increase at 4.9% to 5.3%: 4.9% is the revision for 2022 and 5.3% for 2025, according to Business Day. Growth for 2025 was revised down to 0.9% from 1.1%. The same day the rand weakened about 0.3% to around R16.65 per dollar, as gold fell almost 1% and platinum 2.9%, Reuters reported. Producer inflation rose to 6.2% in September from 5.0% in August.

Why it matters

A bigger economy makes the government's debt look smaller as a share of GDP, which economists such as PSG's Johann Els say should help the debt figures. Investors who buy South African bonds watch that ratio closely. The rand still depends a lot on gold and platinum prices and on US interest rates, and both pushed against it this week. Rising producer prices can feed into shop prices later, which the Reserve Bank watches.

What it can move

Sources: Business Day: rebasing lifts the size of South Africa's economy 5.3% (29 Oct 2026) · TimesLIVE: SA economy 5% bigger after rebasing (29 Oct 2026) · CNBC Africa / Reuters: rand slips as weaker gold and platinum add pressure (29 Oct 2026)

Kenya · Central banks

Kenya's October inflation is due today after 6.8% in September

What happened

Kenya's inflation rose to 6.8% in September from 6.6% in August, its highest in a year, according to Nairametrics. Transport prices were 15.6% higher than a year earlier and food 9.5%. The Central Bank of Kenya (CBK) kept its main rate at 8.75% in October, its fourth hold in a row, and its target range for inflation is 2.5% to 7.5%. Pump prices rose again from 15 October. The Kenya National Bureau of Statistics publishes October inflation today; the Rio Times calendar shows a forecast of 7%.

Why it matters

Inflation close to the top of the CBK's range makes rate cuts less likely and a rate rise more possible. Higher rates can make shilling savings and government bills more attractive, which can support the shilling. But high fuel import bills keep demand for dollars strong, which pushes the other way.

What it can move

Sources: Nairametrics: Kenya's inflation rises to 6.8% in September (30 Sep 2026) · Trading Economics: Central Bank of Kenya leaves rates steady (7 Oct 2026) · The Rio Times: Africa intelligence brief (29 Oct 2026)

Nigeria · Currencies

The naira firms to about ₦1,349 per dollar

What happened

The naira gained ₦8, or 0.59%, to ₦1,349 per dollar on the official market (NFEM) on 28 October, from ₦1,357 the day before, according to Arbiterz, citing CBN data. On the street (parallel) market it was about ₦1,379 on 29 October. Nigeria's foreign reserves were $55.26 billion on 27 October. The Rio Times quoted the official rate near ₦1,345 on 29 October.

Why it matters

Reserves of about $55 billion give the Central Bank of Nigeria (CBN) room to supply dollars when demand rises, which can calm the naira. The gap between the official and street rate is about ₦30. A smaller gap usually means dollars are easier to get. Oil near $115 can add to Nigeria's dollar income, but a strong US dollar can pull foreign investors' money out.

What it can move

Sources: Arbiterz: naira strengthens to ₦1,349 in official NAFEM window (29 Oct 2026) · The Rio Times: Africa intelligence brief (29 Oct 2026)

What to watch today

Words in this brief

Annualised
A growth rate shown as if it continued for a full year. US GDP grew 0.8% in the quarter, which is about 3.4% annualised.
Core inflation
Inflation without food and energy, whose prices jump around a lot. It shows the slower, deeper trend.
Rebasing
When a statistics office updates the year and the data it uses to measure the economy, often adding new activities.
Debt-to-GDP ratio
Government debt as a share of the whole economy. Lenders watch it to judge whether a country can repay.
Producer inflation (PPI)
How fast prices rise for goods leaving factories and farms. It often shows up in shop prices later.
Yield
The return a bond pays each year, as a percentage. When bond prices fall, yields rise.

This brief explains the news and how markets have tended to react. It is not advice and not a signal to buy or sell. Prices can move against any explanation, and leveraged trading can lose you more than you expect. Read our risk warning.